<template>
  <div class="cart">
    <div class="container">
      <xtx-bread>
        <xtx-bread-item to="/">首页</xtx-bread-item>
        <xtx-bread-item>购物车</xtx-bread-item>
      </xtx-bread>
      <div class="cart-list">
        <!-- 删除了所有商品，显示空状态 -->

        <table>
          <thead>
            <tr>
              <th width="120">
                <!--其他方案 -->
                <!-- <xtx-checkbox
                  :modelValue="store.getters['cart/isCheckAll']"
                  @change="checkAllBtn"
                  >全选</xtx-checkbox
                > -->
                <xtx-checkbox v-model="isCheckAll">全选</xtx-checkbox>
              </th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">总价</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody>
            <tr
              v-for="item in store.getters['cart/validList']"
              :key="item.skuId"
            >
              <td>
                <xtx-checkbox
                  :modelValue="item.selected"
                  @change="($event) => checkOne(item.skuId, $event)"
                ></xtx-checkbox>
              </td>
              <td>
                <div class="goods">
                  <router-link :to="`/product/${item.id}`">
                    <img :src="item.picture" alt="" />
                  </router-link>
                  <div>
                    <p class="name ellipsis">
                      {{ item.name }}
                    </p>
                    <!-- 选择规格组件 -->
                    <!-- <p class="attr">{{ item.attrsText }}</p> -->
                    <cartSku
                      :attrs-text="item.attrsText"
                      :skuId="item.skuId"
                      @change="($event) => updateCartSku(item.skuId, $event)"
                    ></cartSku>
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
                <p v-if="item.price - item.nowPrice > 0">
                  比加入时降价
                  <span class="red">&yen;{{ item.price - item.nowPrice }}</span>
                </p>
              </td>
              <td class="tc">
                <xtx-number
                  :max="item.stock"
                  :modelValue="item.count"
                  @change="updateCount(item.skuId, $event)"
                ></xtx-number>
              </td>
              <td class="tc">
                <p class="red f16">
                  &yen;{{ (item.nowPrice * 100 * item.count) / 100 }}
                </p>
              </td>
              <td class="tc">
                <p>
                  <a href="javascript:;" style="color: orange">移入收藏夹</a>
                </p>
                <p>
                  <a
                    @click="deleteCart(item.skuId)"
                    href="javascript:;"
                    class="green"
                    >删除</a
                  >
                </p>
                <p>
                  <a href="javascript:;">找相似</a>
                </p>
              </td>
            </tr>
          </tbody>
          <!-- 无效商品 -->
          <tbody v-if="store.getters['cart/invalidList'].length > 0">
            <tr>
              <td colspan="6">
                <h3 class="tit">无效商品</h3>
              </td>
            </tr>
            <tr
              v-for="item in store.getters['cart/invalidList']"
              :key="item.skuId"
            >
              <td>
                <xtx-checkbox style="color: #eee"></xtx-checkbox>
              </td>
              <td>
                <div class="goods">
                  <router-link :to="`/product/${item.id}`">
                    <img :src="item.picture" alt="" />
                  </router-link>
                  <div>
                    <p class="name ellipsis">
                      {{ item.name }}
                    </p>
                    <!-- 选择规格组件 -->
                    <p class="attr">{{ item.attrsText }}</p>
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
              </td>
              <td class="tc">{{ item.count }}</td>
              <td class="tc">
                <p>&yen;{{ (item.nowPrice * 100 * item.count) / 100 }}</p>
              </td>
              <td class="tc">
                <p>
                  <a
                    @click="deleteCart(item.skuId)"
                    href="javascript:;"
                    class="green"
                    >删除</a
                  >
                </p>
                <p>
                  <a href="javascript:;">找相似</a>
                </p>
              </td>
            </tr>
          </tbody>
        </table>
        <cartNone
          v-if="store.getters['cart/validList'].length === 0"
        ></cartNone>
      </div>
      <!--操作栏 -->
      <div class="action">
        <div class="batch">
          <!--其他方案 -->
          <!-- <xtx-checkbox
            :modelValue="store.getters['cart/isCheckAll']"
            @change="checkAllBtn"
            >全选</xtx-checkbox
          > -->
          <xtx-checkbox v-model="isCheckAll">全选</xtx-checkbox>
          <a @click="batchDeleteCart()" href="javascript:;">删除商品</a>
          <a href="javascript:;" style="color: orange">移入收藏夹</a>
          <a @click="batchDeleteCart(true)" href="javascript:;">清空失效商品</a>
        </div>
        <div class="total">
          共 {{ store.getters['cart/validTotal'] }} 件商品，已选择
          {{ store.getters['cart/selectedTotal'] }}
          件，商品合计：
          <span class="red">¥{{ store.getters['cart/selectedAmmount'] }}</span>
          <xtx-button type="primary" @click="goCheckOut()">下单结算</xtx-button>
        </div>
      </div>
      <!-- 猜你喜欢 -->
      <goodsRelevant></goodsRelevant>
    </div>
  </div>
</template>

<script>
import { computed } from 'vue'
import goodsRelevant from '@/views/goods-detail/components/goods-relevant'
import cartSku from './components/cart-sku.vue'
import cartNone from './components/cart-none.vue'
import { useStore } from 'vuex'
import confirm from '@/components/library/confirm'
import { message } from '@/components/library/message'
import { useRouter } from 'vue-router'

export default {
  name: 'Cart',
  components: { goodsRelevant, cartNone, cartSku },

  setup() {
    const store = useStore()
    const router = useRouter()
    // 单选
    const checkOne = (skuId, selected) => {
      store.dispatch('cart/updateCart', { skuId, selected })
    }
    // 全选
    const isCheckAll = computed({
      get: () => store.getters['cart/isCheckAll'],
      set: (selected) => store.dispatch('cart/checkAllCart', selected)
    })
    // 其他方案（全选）
    // const checkAllBtn = (selected) => {
    //   store.dispatch('cart/checkAllCart', selected)
    // }
    // 删除商品
    const deleteCart = (skuId) => {
      // 弹窗
      confirm({ text: '亲，您确定从购物车删除该商品吗' })
        .then(() => {
          store.dispatch('cart/deleteCart', skuId)
        })
        .catch((e) => {})
    }
    // 批量删除商品
    const batchDeleteCart = (isInvalid) => {
      confirm({
        text: `亲，您确定从购物车删除${isInvalid ? '失效' : '选中'}的商品吗？`
      })
        .then(() => {
          store.dispatch('cart/batchDeleteCart')
        })
        .catch((e) => {})
    }
    // 修改数量
    const updateCount = (skuId, count) => {
      store.dispatch('cart/updateCart', { skuId, count })
    }
    // 修改规格
    const updateCartSku = (oldSkuId, newSku) => {
      store.dispatch('cart/updateCartSku', { oldSkuId, newSku })
    }

    // 下单结算
    const goCheckOut = () => {
      // 1.判断是否选择有效商品
      // 2.判断是否已经登录，未登录，弹窗提示
      // 3.进行跳转（需要做访问权限控制）
      if (store.getters['cart/selectedTotal'] === 0) {
        return message({ type: 'warn', message: '至少选择一件商品进行结算' })
      }
      if (!store.state.user.profile.token) {
        return confirm({ text: '下单结算需要登录，请先登录' })
          .then(() => {
            // 点击确认™™
            router.push('/login?redirectUrl=/member/checkout')
          })
          .catch((e) => {})
      } else {
        router.push('/member/checkout')
      }
    }
    return {
      store,
      checkOne,
      isCheckAll,
      deleteCart,
      batchDeleteCart,
      updateCount,
      updateCartSku,
      goCheckOut
    }
  }
}
</script>
<style scoped lang="less">
.cart {
  .cart-list {
    background-color: #fff;
    color: #666;
  }
  table {
    border-spacing: 0;
    border-collapse: collapse;
    line-height: 24px;
    th,
    td {
      padding: 10px;
      border-bottom: 1px solid #f5f5f5;
      &:first-child {
        text-align: left;
        padding-left: 30px;
        color: #999;
      }
    }
    th {
      font-size: 16px;
      font-weight: normal;
      line-height: 50px;
    }
  }
}
.tc {
  text-align: center;
  .xtx-number {
    margin: 0 auto;
    width: 120px;
  }
}
.red {
  color: @priceColor;
}
.green {
  color: @color;
}
.f16 {
  font-size: 16px;
}
.goods {
  display: flex;
  align-items: center;
  img {
    width: 100px;
    height: 100px;
  }
  > div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;
    .attr {
      font: size 14px;
      color: #999;
    }
  }
}
.action {
  display: flex;
  background-color: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;
  .xtx-checkbox {
    color: #999;
  }
  .batch {
    a {
      margin-left: 20px;
    }
  }
  .red {
    font-size: 16px;
    margin-right: 20px;
    font-weight: bold;
  }
}
.tit {
  color: #666;
  font-size: 15px;
  font-weight: normal;
  line-height: 50px;
}
</style>
